A water elemental of any gender can come through and choose you. The only thing you can specify is the art alignment being either white to dark arts. The races that can come through includes but is not limited to selkie, merfolk, sirens, water nymphs, water dragons, undine, etc. Each entity will come with a basic write up describing their personality and appearance as well as a picture that resembles them.
If you have a picture of a vessel that you would like to use please send a picture after purchase.